CN101599403B

CN101599403B - Mercury injection device

Info

Publication number: CN101599403B
Application number: CN2009100332345A
Authority: CN
Inventors: 何荣开; 张斌; 王海鸥; 陈刚; 吕家东
Original assignee: Southeast University
Current assignee: Southeast University
Priority date: 2009-06-10
Filing date: 2009-06-10
Publication date: 2011-04-20
Anticipated expiration: 2029-06-10
Also published as: CN101599403A

Abstract

The invention discloses a mercury injection device comprising a mercury cup part, an extension unit part connected with the mercury cup part, a cylinder part and a bottom plate part which are connected with the extension unit part; wherein, the mercury cup part comprises a mercury-containing cup, the cylinder part comprises a difunctional compact cylinder; the extension unit part comprises an extension unit, a floating sliding plate arranged in the extension plate, a ventilation pressure plate arranged in the floating sliding plate and a mercury amount metering needle arranged at the upper part of the extension unit; the bottom plate part comprises a bottom plate, a mercury injection stream guidance needle tube arranged on the bottom plate; the bottom plate is provided with a mercury inlet nipple and an air inlet nipple, a first mercury inlet through hole and a first air inlet through hole; the floating sliding plate is provided with a second air inlet through hole and a third air inlet through hole; the ventilation pressure plate is provided with an air inlet through groove; the mercury amount metering needle penetrates through the air inlet through groove of the ventilation pressure plate and is inserted into the through hole on the floating sliding plate. The mercury injection device of the invention features high accuracy and can realize microscale mercury injection without mercury leakage.

Description

Mercury injection device

Technical field

The present invention relates to a kind of mercury injection device, relate in particular to the mercury injection device of annotating micro-liquid mercury in the gaseous discharge lamp.

Background technology

At present, it is not high that the mercury injection device that domestic system lamp industry adopts is annotated the mercury precision, can cause the tube voltage drop error of fluorescent tube bigger, makes a collection of lamp of production form aberration.And mercury injection device very easily causes liquid mercury seepage phenomenon, causes environmental pollution.The mercury injection device of correlation technique is difficult to realize being lower than the notes mercury that 1mg annotates the mercury amount, can't satisfy the requirement of the required trace notes of light source mercury such as extra small power halogen electric arc tube.

Therefore, be necessary to develop a kind of mercury injection device in fact, to address the above problem.

Summary of the invention

Technical problem: the mercury injection device that the object of the invention is to provide a kind of high accuracy, trace and does not have mercury seepage phenomenon.

Technical scheme: the object of the present invention is achieved like this: a kind of mercury injection device, it comprises mercury cup part, the planker part that partly links to each other with the mercury cup, the cylinder portion and the bottom parts that partly link to each other with planker, wherein, the mercury cup partly comprises contains the mercury cup, cylinder portion comprises the slim cylinder of double acting, described planker partly comprises planker, be located at the unsteady slide plate in the planker and be located at the interior ventilation pressing plate of slide plate that floats, described planker part also comprises mercury amount metering needle, described bottom parts comprises base plate, be installed in the notes mercury water conservancy diversion needle tubing on the base plate, base plate is provided with into mercury and connects to chew to connect with air inlet and chew, describedly advance mercury and connect to chew and extend to the slide plate that floats and be provided with first and advance the mercury through hole, described air inlet connects to chew and extends to the slide plate that floats and be provided with the first air inlet through hole, the slide plate that floats is provided with the second air inlet through hole, be provided with the gap between the through hole of mercury amount metering needle and unsteady slide plate, the ventilation pressing plate is provided with and the second air inlet through hole and mercury amount metering needle, the air inlet groove that the air inlet groove that gap between the unsteady slide plate through hole links to each other, described mercury amount metering needle pass the ventilation pressing plate is inserted in the through hole of the slide plate that floats.

Preferably, described mercury injection device also comprises the micrometer caliper that is connected on the mercury amount metering needle.

Preferably, described planker part also comprises the side mounting panel that is arranged at the planker both sides respectively, is installed on the left and right limiting plate that is connected to the slide plate that floats on the base plate.

Preferably, described mercury cup part also comprises the mercury bowl cover that is covered on the Sheng mercury cup, and protection argon gas air inlet adjustment valve and filter are housed on the described mercury bowl cover.

Preferably, described planker part also is provided with the holddown spring that is pressed on the slide plate that floats.

Preferably, described mercury injection device also is provided with and connects the cylinder mount pad of containing mercury cup and base plate simultaneously.

Preferably, described mercury injection device also is provided with the planker of accommodating unsteady slide plate, ventilation pressing plate, holddown spring, mercury amount metering needle and micrometer caliper simultaneously.

Preferably, be covered with pressing plate on the described planker.

Preferably, described mercury injection device also is provided with the front end limiting plate of spacing planker.

Preferably, described mercury injection device also is provided with the slim cylinder of double acting is connected to cylinder floating joint on the planker.

Beneficial effect: beneficial effect of the present invention is:

1, mercury injection device of the present invention can be realized trace notes mercury, annotate the minimum 0.2mg that reaches of mercury amount, the maximum mercury amount of annotating is annotated the mercury amount and is divided into five kinds of specifications to more than the 70mg, notes mercury amount in every kind of specification can adopt micrometer caliper adjustment, can satisfy the notes mercury requirement of all kinds of gaseous discharge lamps.

2, mercury injection device ne-leakage liquid mercury phenomenon, the unsteady slide plate of trace in the mercury injection device by spring compression on base plate, adopt oil-free lubrication, after kept burning day and night use, unsteady slide plate and base plate all can have wearing and tearing, but under spring action, this wearing and tearing can not make to float and produce the gap between slide plate and base plate, therefore can not produce Lou mercury phenomenon yet.

3, liquid mercury enters in the aperture of the slide plate that floats by pressure reduction from containing the mercury cup, and fills this aperture, and the two ends of this aperture are sealed, so the notes mercury amount consistency height of mercury injection device.

4, on the bowl cover of containing the mercury cup, charge into certain flow protection argon gas by protection argon gas air inlet adjustment valve; and on bowl cover, there is argon gas to go out air filter; the pressure that guarantees to contain protection argon gas in the mercury cup is higher than atmospheric pressure; liquid mercury face and air are separated; prevent that mercury is oxidized; prevent that simultaneously mercury vapour from overflowing, the protection environment.

Description of drawings

Fig. 1 is the front view of mercury injection device of the present invention;

Fig. 2 is the right pseudosection of mercury injection device of the present invention when the cylinder extended position;

Fig. 3 is the right pseudosection of mercury injection device of the present invention when the cylinder punctured position;

Fig. 4 is the left view of mercury injection device of the present invention;

Fig. 5 is the vertical view of mercury injection device of the present invention;

Fig. 6 is the partial schematic diagram that the liquid mercury of mercury injection device of the present invention blows out the position;

Fig. 7 is the partial schematic diagram that the liquid mercury of mercury injection device of the present invention is blown into the position.

Embodiment

Below in conjunction with accompanying drawing to its structure of implementation of the present invention and the course of work:

Mercury injection device of the present invention applicable to quartz glass metal halide lamp, ceramic metal helide lamp, automobile with filling light sources such as xenon lamp, extra small power metal halide lamp, compact fluorescent lamp.

See also Fig. 1 to shown in Figure 7, a kind of mercury injection device, it comprises mercury cup part, the planker part that partly links to each other with the mercury cup, the cylinder portion and the bottom parts that partly link to each other with planker, wherein, the mercury cup partly comprises contains mercury cup 110, cylinder portion comprises the slim cylinder 205 of double acting, described planker partly comprises planker 107, be located at unsteady slide plate 208 and the ventilation pressing plate of being located in the slide plate 208 that floats 210 in the planker 107, described planker part also comprises mercury amount metering needle 214, described bottom parts comprises base plate 101, be installed in the notes mercury water conservancy diversion needle tubing 201 on the base plate 101, base plate 101 be provided with into mercury connect chew 403 and air inlet connect and chew 401, describedly advance mercury and connect and chew 403 and extend to the slide plate 208 that floats and be provided with first and advance mercury through hole 301, described air inlet connects chews 401 and extends to the slide plate 208 that floats and be provided with the first air inlet through hole 303, the slide plate 208 that floats is provided with the second air inlet through hole 304, be provided with the gap between the through hole 302 of mercury amount metering needle 214 and unsteady slide plate 208, ventilation pressing plate 210 is provided with the air inlet groove 305 that links to each other with the through hole 302 of the second air inlet through hole 304 and unsteady slide plate 208, and the air inlet groove 305 that described mercury amount metering needle 214 passes ventilation pressing plate 210 is inserted in the through hole 302 of the slide plate 208 that floats.

Described mercury injection device also comprises the micrometer caliper 211 that is connected on the mercury amount metering needle 214.Be located at the stop collar 217 of float slide plate 208 and ventilation pressing plate 210 coupling parts, the lower end of described mercury amount metering needle 214 is positioned at stop collar 217.

Described planker part also comprises the side mounting panel 104 that is arranged at planker 107 both sides respectively, be installed on the left and right limiting plate 102 that is connected to the slide plate 208 that floats on the base plate 101, be pressed in the holddown spring 215 on the slide plate 208 that floats.

Described mercury cup part also comprises the mercury bowl cover 114 that is covered on the Sheng mercury cup 110, and protection argon gas air inlet adjustment valve 112 and filter 113 are housed on the described mercury bowl cover 114.

Described mercury injection device also is provided with the planker 107 that connects the cylinder mount pad 204 of containing mercury cup 110 and base plate 101 simultaneously and accommodate float slide plate 208, ventilation pressing plate 210 and holddown spring 215 simultaneously.

Described mercury injection device also is provided with the front end limiting plate 405 of spacing planker 107 and the slim cylinder 205 of double acting is connected to cylinder floating joint 207 on the planker 107.

Containing mercury cup 110 is fixed on the cylinder mounting plate 204 by hold-down screw 109; mercury bowl cover 114 is made by polymethyl methacrylate; be convenient to observe the liquid level of mercury; with sealing ring 115 sealings, connect between mercury bowl cover 114 and the Sheng mercury cup 110, on mercury bowl cover 114, be equipped with and protect argon gas air inlet adjustment valve 112 and argon gas to go out air filter 113 with clip 111; argon gas enters into liquid mercury face; Sheng mercury cup 110 liquid mercury and air are separated, in order to avoid oxidation by air of liquid mercury and pollution prevent that simultaneously mercury vapour from overflowing contaminated environment.Mercury cup part also comprises silicone rubber tube 116, and described silicone rubber tube 116 connects and chews 403 and link to each other with the mercury that advances on being installed in base plate 101, advance mercury connect chew 403 with base plate 101 between usefulness seal washer 402 seal, liquid mercury 3 is to enter in the base plate 101 by silicone rubber tube 116.

Base plate 101 usefulness hold-down screws 203 are connected with cylinder mount pad 204, and the slide plate 208 that floats is contained in the planker 107, and ventilation pressing plate 210 is contained in the slide plate 208 that floats, and the sealing that ventilation pressing plate 210 and unsteady slide plate are 208 seals with large sealing packing ring 209.Mercury amount metering needle 214 passes planker 107 and ventilation pressing plate 210 enters in the aperture of the slide plate 208 that floats, mercury amount metering needle 214 is sealed by small sealing ring 216 with the sealing of ventilation pressing plate 210, mercury amount metering needle 214 is regulated by micrometer caliper 211 toward downward modulation, and micrometer caliper 211 clampings are on planker 107, and by 213 lockings of mircrometer gauge lock-screw, mercury amount metering needle 214 adopts little spring 212 that mercury amount metering needle 214 is pressed on the micrometer caliper 211 toward rise and finishes.The slide plate 208 that floats is close together with base plate 101, the direction of unsteady slide plate 208 is by left and right limiting plate 102 restrictions, left and right limiting plate 102 usefulness limiting plate hold-down screws 103 are fixed on the base plate 101, the end face of planker 107 is equipped with 4 wear-resisting pins 106, contact with the pressing plate 108 of top, realize oil-free lubrication, the pressing plate 108 of planker 107 end faces links to each other with base plate 101 by two side mounting panels 104, and is fixing with side mounting panel hold-down screw 105.

Link to each other with cylinder floating joint 207 between planker 107 and the slim cylinder 205 of double acting, the slim cylinder 205 of double acting is installed on the cylinder mount pad 204, on the slim cylinder 205 of double acting, two throttling adjuster valves 206 are housed, regulate the movement velocity of the slim cylinder 205 of double acting, the stroke of the slim cylinder 205 of double acting is greater than the range of planker 107, the front end of planker 107 is spacing spacing by front end limiting plate 405, front end limiting plate 405 is fixed on the cylinder mount pad 204 by front end limiting plate hold-down screw 404, the rear end of planker 107 is spacing spacing by cylinder mount pad 204, two service positions of planker 107 such as Fig. 2, shown in Figure 3.

Annotating mercury water conservancy diversion needle tubing 201 is installed on the base plate 101; liquid mercury 3 enters in the fluorescent tube by annotating mercury water conservancy diversion needle tubing 201; in order to protect notes mercury water conservancy diversion needle tubing 201 not broken, outside annotating mercury water conservancy diversion needle tubing 201, needle tubing protective sleeve 202 is installed, needle tubing protective sleeve 202 usefulness screws are installed on the base plate 101.

Liquid mercury 3 connects and chews 403 by the mercury that advances that silicone rubber tube 116 enters into base plate 101, the punctured position of the slim cylinder 205 of double acting this moment, as shown in Figure 3, on the base plate 101 first advances mercury through hole 301 and communicates with aperture (penetrating the aperture of mercury amount metering needle) on the unsteady slide plate 208, liquid mercury 3 enters in the aperture of the slide plate 208 that floats, the aperture other end of unsteady slide plate 208 is spacing by mercury amount metering needle 214, when the piston rod of the slim cylinder 205 of double acting stretches out, as Fig. 2, shown in Figure 6, the second air inlet through hole 304 on the unsteady slide plate 208 aligns with the first air inlet through hole 303 on the base plate 101, argon gas connects by the air inlet on the base plate 101 and chews 401 and enter into base plate 101, air inlet on the base plate 101 connects chews 401 and is communicated with the second air inlet through hole 304 on the unsteady slide plate 208, see shown in Figure 6, argon gas enters into the air inlet groove 305 of ventilation pressing plate 210 and arrives gap between the through hole 302 of mercury amount metering needle 214 and unsteady slide plate 208, liquid mercury 3 is blown out, enter in the fluorescent tube, finish notes mercury by annotating mercury water conservancy diversion needle tubing 201.

According to different notes mercury amount requirements, the size of annotating the through hole 302 of mercury metering needle 214 syringe needles and unsteady slide plate 208 should be adjusted accordingly, the through hole 302 of unsteady slide plate 208 is shaped as cylindrical simultaneously, its diameter dimension and height dimension differ should be not too big, under the effect of mercury cohesive force, make and blow out liquid mercury 3 and be shaped as a sphere, be difficult for scattering, guarantee to annotate the accurate requirement of mercury amount, therefore annotate the mercury injection device of mercury amount for different size, should change the notes mercury metering needle 214 and unsteady slide plate 208 of different needle sizes with different through hole 302 sizes, the upper-lower position that the adjusting of mercury amount only needs notes mercury to adjust metering needle 214 in annotating the mercury weight range just can be realized, both, the adjustable screw mircrometer gauge 211.

Adopt slide plate 208 designs of floating in its planker 107, with holddown spring 215 unsteady slide plate 208 is pressed on the base plate 101, both having made floats has wearing and tearing between slide plate 208 and the base plate 101, also can not produce Lou mercury phenomenon.

The notes mercury amount of mercury injection device of the present invention is divided into five kinds of specifications from 0.1～2mg, 1.5～6mg, 5～15mg, 14～40mg, 20～70mg, but every kind of notes mercury amount step-less adjustment that specification is interior, it is 99% ± 3% with interior qualification rate that 0.1 the mercury injection device of～2mg specification is annotated the mercury accuracy of measurement, the mercury injection device of other four kinds of specifications annotate the mercury accuracy of measurement ± 2% with the interior qualification rate that reaches more than 99%.Mercury injection device must not have seepage mercury phenomenon, and mercury can not oxidation by air, and mercury vapour must not overflow contaminated environment.

The above only is a better embodiment of the present invention; protection scope of the present invention is not exceeded with above-mentioned execution mode; as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection range of putting down in writing in claims.

Claims

1. mercury injection device, it comprises mercury cup part, the planker part that partly links to each other with the mercury cup, the cylinder portion and the bottom parts that partly link to each other with planker, wherein, the mercury cup partly comprises contains mercury cup (110), cylinder portion comprises the slim cylinder of double acting (205), it is characterized in that: described planker partly comprises planker (107), be located at the unsteady slide plate (208) in the planker (107) and be located at the interior ventilation pressing plate (210) of unsteady slide plate (208), described planker part also comprises mercury amount metering needle (214), described bottom parts comprises base plate (101), be installed in the notes mercury water conservancy diversion needle tubing (201) on the base plate (101), advance that mercury connects mouth (403) and air inlet connects mouth (401), describedly advance mercury and connect mouth (403) and extend to unsteady slide plate (208) and be provided with first and advance mercury through hole (301), described air inlet connects mouth (401) and extends to unsteady slide plate (208) and be provided with the first air inlet through hole (303), the slide plate (208) that floats is provided with the second air inlet through hole (304), be provided with the gap between the third through-hole (302) of mercury amount metering needle (214) and unsteady slide plate (208), ventilation pressing plate (210) is provided with the air inlet groove (305) that links to each other with the third through-hole (302) of the second air inlet through hole (304) and unsteady slide plate (208), and the air inlet groove (305) that described mercury amount metering needle (214) passes ventilation pressing plate (210) is inserted in the third through-hole (302) of unsteady slide plate (208).

2. mercury injection device according to claim 1 is characterized in that: described mercury injection device also comprises the micrometer caliper (211) that is connected on the mercury amount metering needle (214).

3. mercury injection device according to claim 2 is characterized in that: described planker part also comprises the side mounting panel (104) that is arranged at planker (107) both sides respectively, is installed on the left and right limiting plate (102) that is connected to unsteady slide plate (208) on the base plate (101).

4. mercury injection device according to claim 3 is characterized in that: described mercury cup part also comprises the mercury bowl cover (114) that is covered on the Sheng mercury cup (110), and protection argon gas air inlet adjustment valve (112) and filter (113) are housed on the described mercury bowl cover (114).

5. mercury injection device according to claim 4 is characterized in that: described planker part also is provided with the holddown spring (215) that is pressed on the unsteady slide plate (208).

6. mercury injection device according to claim 5 is characterized in that: described mercury injection device also is provided with and connects the cylinder mount pad (204) of containing mercury cup (110) and base plate (101) simultaneously.

7. mercury injection device according to claim 6 is characterized in that: described planker (107) also is provided with and accommodates unsteady slide plate (208), ventilation pressing plate (210), holddown spring (215), mercury amount metering needle (214) and micrometer caliper (211) simultaneously.

8. mercury injection device according to claim 7 is characterized in that: be covered with pressing plate (108) on the described planker (107).

9. mercury injection device according to claim 8 is characterized in that: described mercury injection device also is provided with the front end limiting plate (405) of spacing planker (107).

10. mercury injection device according to claim 9 is characterized in that: described mercury injection device also is provided with the slim cylinder of double acting (205) is connected to cylinder floating joint (207) on the planker (107).